| 阳江抽水蓄能电站岩体水压致裂综合测试与应用研究 |
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| 引用本文： | 王汇明,王著杰,戴兵国. 阳江抽水蓄能电站岩体水压致裂综合测试与应用研究[J]. 地质力学学报, 2008, 14(2): 168-175 |
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| 作者姓名： | 王汇明 王著杰 戴兵国 |
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| 作者单位： | 广东省水利电力勘测设计研究院, 广东 广州 510170 |
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| 摘 要： | 阳江抽水蓄能电站的输水隧洞围岩承受最大静内水压力高达7.83MPa, 因此原地应力状态、围岩自身承载能力及高压透水性状等对工程的科学设计不可或缺。测量结果表明, 工程区现今地壳应力场的总体特征为:水平主应力为最大主应力, 最大水平主应力的优势方向为NW-NWW向; 厂房和高压岔管区围岩的最大主应力值一般为14.5±0.5MPa, 最小主应力值一般为9±0.5MPa; 围岩自身的抗载强度一般为10~14MPa; 在8~10MPa高压力作用下围岩基本不透水。洞室围岩物理力学参数的这些测试成果, 为工程的科学设计提供了可靠依据。
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| 关 键 词： | 水压致裂 地应力测量 围岩原地抗载强度 岩体高压透水性 |
| 收稿时间： | 2007-08-20 |
COMPREHENSIVE TESTS AND APPLIED STUDIES OF HYDRAULIC FRACTURING IN THE ROCK MASS OF THE YANGJIANG PUMPING STORAGE POWER STATION |
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| WANG Hui-ming,WANG Zhu-jie,DAI Bing-guo. COMPREHENSIVE TESTS AND APPLIED STUDIES OF HYDRAULIC FRACTURING IN THE ROCK MASS OF THE YANGJIANG PUMPING STORAGE POWER STATION[J]. Journal of Geomechanics, 2008, 14(2): 168-175 |
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| Authors: | WANG Hui-ming WANG Zhu-jie DAI Bing-guo |
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| Affiliation: | Guangdong Institute of Water Resources and Electricity Planning and Design, Guangzhou 510170, Guangdong, China |
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| Abstract: | The surrounding rocks of the water tunnel of the Yangjiang pumping storage power plant are required to bear a maximum static pressure of 7.83 MPa;therefore,the state of in-situ stress,dead load-bearing capacity of surrounding rocks and high-pressure permeability are all essential data for the scientific design of the project.The measurement results show that the general characteristics of the present crustal stress field of the project area are as follows: the horizontal principal stress is the maximum prin... |
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| Keywords: | hydraulic fracturing in-situ stress measurements in-situ load-bearing strength of country rocks high-pressure permeability of rock mass |
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